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Round|Lab Grown|IGI

1.80ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG591307563

Shape and cutting style on the report: Round brilliant

Certificate IGI LG591307563

Diamond specifications and retailer prices

From $447 AUD
$313 USD
As of November 2, 2026
Save $2,835 AUD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,282 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.8ct lab-grown round diamond

This 1.8ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG591307563 or 591307563. Listed at 17 retailers as of November 2, 2026, with prices from $447 to $3,282, a $2,835 spread on the same certified stone. Do Amore Diamonds lists it at $3,282. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.80
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591307563
Dimensions7.89 × 7.85 × 4.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.89 mm7.85 mm1.80 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591307563
Side View
Table 58.0%Crown 33.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,282 AUD|Low: $395 AUD|High: $3,382 AUD|Avg: $1,132 AUD|-3.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 6$395 AUD
Retailer 7$437 AUD
Retailer 4$447 AUD
Retailer 15$569 AUD
Retailer 3$621 AUD
Retailer 14$649 AUD
Retailer 13$799 AUD
Retailer 8$886 AUD
Retailer 9$927 AUD
Retailer 2$1,013 AUD
Retailer 11$1,298 AUD
Retailer 12$1,367 AUD
Retailer 5$1,800 AUD
Retailer 10$1,885 AUD
Do Amore Diamonds$3,282 AUD

40 data points across 15 retailers

17 retailers$447 AUD to $3,282 AUD

Retailer 1
-
$352 AUD
$247 USD
Price last confirmed 34 days ago
Retailer 2
-
$408 AUD
$286 USD
View
Price last confirmed 41 days ago
Retailer 3
-
$431 AUD
$302 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
$447 AUD
$313 USD
View
B+
Retailer 5
-
$569 AUD
$399 USD
View
A
Retailer 6
-
$621 AUD
HK$3,400 HKD
View
A
Retailer 7
-
$649 AUD
$455 USD
View
A
Retailer 8
-
$799 AUD
$560 USD
View
A
Retailer 9
-
$835 AUD
$585 USD
View
B+
Retailer 10
-
$886 AUD
£489 GBP
View
B+
Retailer 11
-
$1,013 AUD
€676 EUR
View
B+
Retailer 12
-
$1,298 AUD
$910 USD
View
B+
Retailer 13
-
$1,367 AUD
$958 USD
View
Retailer 14
-
$1,551 AUD
$1,087 USD
View
Price last confirmed 33 days ago
B
Retailer 15
-
$1,800 AUD
SGD 1,705 SGD
View
B
Retailer 16
-
$1,885 AUD
£1,040 GBP
View
Most Expensive
B
Do Amore Diamonds
27-08A2DD4D9 · Nov 2
$3,282 AUD
$2,300 USD
View
16 more retailers have this diamond
Prices start from $447 AUDSave up to $2,835 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.80ct Round
$447 AUD